Zynga will be spooking up Secret Missions in Mafia Wars this weekend, and just in time for Halloween. This missions will operate just like normal Secret Missions, but with a haunted twist. Players will have to team up in order to complete these missions for some more Halloween-themed items like the Exploding Pumpkin and Supercharged Hearse. According to the Mafia Wars Blog, these missions will contribute to your Missions Achievements progress.